408242 has 16 divisors (see below), whose sum is σ = 646272. Its totient is φ = 193200.

The previous prime is 408241. The next prime is 408251. The reversal of 408242 is 242804.

It is not an unprimeable number, because it can be changed into a prime (408241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3992 + ... + 4092.

It is an arithmetic number, because the mean of its divisors is an integer number (40392).

2⁴⁰⁸²⁴² is an apocalyptic number.

408242 is a deficient number, since it is larger than the sum of its proper divisors (238030).

408242 is a wasteful number, since it uses less digits than its factorization.

408242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 408242 is about 638.9381816733. The cubic root of 408242 is about 74.1832565394.

The spelling of 408242 in words is "four hundred eight thousand, two hundred forty-two".